Read the docs
TI-2025-27333 Aliases CVE-2025-40942GHSA-c835-vvh2-8x99

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.4).

Priority LOW 33CWE-250Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
Present
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-250.

Summary

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.4). Affected application contains a local privilege escalation vulnerability that could allow an attacker to run arbitrary code with elevated privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00156 4th percentileScored 2026-11-07
Fix Fixed TeleControl Server Basic (Siemens): V3.1.2.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensTeleControl Server Basicbefore V3.1.2.4V3.1.2.4Patch availableCNA
  • TeleControl Server Basic VendorSiemens Affected before V3.1.2.4 Fixed in V3.1.2.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:telecontrol_server_basic:*:*:*:*:*:*:*:*before 3.1.2.4VulnerableSiemens
  • cpe:2.3:a:siemens:telecontrol_server_basic:*:*:*:*:*:*:*:* Versions before 3.1.2.4 Vulnerable ·Siemens

Remediation

  • Fix · CNA TeleControl Server Basic (Siemens) Fixed in V3.1.2.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-40942
  2. 2026-10-03 Alias added: GHSA-c835-vvh2-8x99

References

  • TI-2024-29679 Deserialization of untrusted data in Siemens PP TeleControl Server Basic 1000 to 5000 V3.1 CVSS 4.0CRITICAL 10.0
  • TI-2025-20369 SQL injection in Siemens TeleControl Server Basic CVSS 4.0CRITICAL 9.3
  • TI-2025-20368 SQL injection in Siemens TeleControl Server Basic CVSS 4.0CRITICAL 9.3
  • TI-2025-20330 SQL injection in Siemens TeleControl Server Basic CVSS 4.0CRITICAL 9.3
  • TI-2019-04628 Improper handling of exceptional conditions in Siemens SIMATIC CP 443-1 OPC UA CVSS 3.1HIGH 7.5
  • TI-2018-03413 Improper authentication in Siemens TeleControl Server Basic CVSS 3.0HIGH 8.8
See all 76 →

Sources